| If your breaking water pump orings regulary then you have a issue with clearance between the crankcase and the oring or the nut on the wheel is too tight causing the water pump seal to press up against the impeller shaft inside the motor. Clean the area around the crank case with a dremel so the oring runs around the water pump wheel free from the crankcase, and try loosening the nut this may just fix the problems if you are hvaing this issue.
The blata replicas can be inproved with water flow but it depends on the model blata rep ya have. as there are a few ways to do it, If ya want any info just sing out
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Shotgun: Better known as Pistol Pete.
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